Journal
APPLIED SURFACE SCIENCE
Volume 366, Issue -, Pages 328-338Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.01.074
Keywords
Hybrid particle; BSA; Zn-3(PO4)(2); Adsorption; Heavy metal ions
Categories
Funding
- State Key Program of National Natural Science of China [51433008]
- Natural Science Foundation of Shannxi Province [2015JQ2055]
- Northwestern Polytechnical University [3102014JCQ01094, 3102014ZD]
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A novel kind of red-blood-cell-like bovine serum albumin (BSA)/Zn-3(PO4)(2) hybrid particle is prepared at room temperature by a facile and rapid one-step method based on coordination between BSA and zinc ion. The morphology of the monodisperse hybrid particle shows oblate spheroidal type with a one sided single hole on the surface. The hybrid particle is constructed with BSA/Zn-3(PO4)(2) nanoplates of 35 nm thick. The average particle size of hybrid particle is 2.3 mu m, and its BET specific surface area is 146.64 cm(2)/g. To clarify the evolution of BSA/Zn-3(PO4)(2) hybrid particle, SEM and elemental analysis as a function of particle growth time are investigated. The formation mechanism of BSA/Zn-3(PO4)(2) hybrid particle, which can be described as crystallization, coordination and self-assembly process, is illustrated in detail. The as-prepared BSA/Zn-3(PO4)(2) hybrid particle is used for adsorption of Cu2'. The hybrid particle displayed excellent adsorption properties on Cu2+. The adsorption efficiency of BSA/Zn-3(PO4)(2) hybrid particles at 5 min and 30min are 86.33% and 98.9%, respectively. The maximum adsorption capacity is 6.85 mg/g. Thus, this kind of novel adsorbent shows potential application value in ultra-fast and highly efficient removal of Cu2+. (C) 2016 Elsevier B.V. All rights reserved.
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